40 CFR Appendix Table 4 to Subpart LLLL of Part 60 - Toxic Equivalency Factors

Table 4 to Subpart LLLL of Part 60 - Toxic Equivalency Factors
Dioxin/furan isomer Toxic
equivalency
factor
2,3,7,8-tetrachlorinated dibenzo-p-dioxin 1
1,2,3,7,8-pentachlorinated dibenzo-p-dioxin 1
1,2,3,4,7,8-hexachlorinated dibenzo-p-dioxin 0.1
1,2,3,7,8,9-hexachlorinated dibenzo-p-dioxin 0.1
1,2,3,6,7,8-hexachlorinated dibenzo-p-dioxin 0.1
1,2,3,4,6,7,8-heptachlorinated dibenzo-p-dioxin 0.01
octachlorinated dibenzo-p-dioxin 0.0003
2,3,7,8-tetrachlorinated dibenzofuran 0.1
2,3,4,7,8-pentachlorinated dibenzofuran 0.3
1,2,3,7,8-pentachlorinated dibenzofuran 0.03
1,2,3,4,7,8-hexachlorinated dibenzofuran 0.1
1,2,3,6,7,8-hexachlorinated dibenzofuran 0.1
1,2,3,7,8,9-hexachlorinated dibenzofuran 0.1
2,3,4,6,7,8-hexachlorinated dibenzofuran 0.1
1,2,3,4,6,7,8-heptachlorinated dibenzofuran 0.01
1,2,3,4,7,8,9-heptachlorinated dibenzofuran 0.01
octachlorinated dibenzofuran 0.0003